#pragma once


#include <memory>
#include <functional>

class TcpConnection;
class Timestamp;
class Buffer;






using TcpConnectionPtr = std::shared_ptr<TcpConnection>;

using ConnectionCallback = std::function<void(const TcpConnectionPtr&)>;
using CloseCallback = std::function<void(const TcpConnectionPtr&)>;
using WriteCompleteCallback = std::function<void(const TcpConnectionPtr&)>;

using MessageCallback = std::function<void(const TcpConnectionPtr&, Buffer&, Timestamp)>;

using HighWaterMarkCallback = std::function<void(const TcpConnectionPtr&, size_t)>;